import sys
import time
import threading
from PyQt6.QtWidgets import QWidget, QVBoxLayout, QPushButton, QApplication, QLabel
from PyQt6.QtCore import pyqtSignal, QObject
from selenium import webdriver
from PyQt6.QtWidgets import QWidget, QVBoxLayout, QPushButton, QApplication, QLabel, QMessageBox
class ThreadSignals(QObject):
    """
    用于定义线程相关信号的类，继承自QObject
    """
    start_signal = pyqtSignal()  # 定义开始信号，用于通知可以开始执行后续追加时间的操作
class WorkerThread(threading.Thread):
    """
    自定义工作线程类，继承自threading.Thread
    """
    def __init__(self, url, signals):
        super().__init__()
        self.url = url
        self.signals = signals
        self.is_running = False  # 初始化为False，表示线程默认未启动
        self.is_paused = False  # 用于标记线程是否暂停
    def run(self):
        driver = webdriver.Chrome()  # 创建Chrome浏览器驱动实例，你可以根据需要换成其他浏览器驱动
        driver.get(self.url)
        # 这里简单弹出一个确认框让用户确认开始，实际应用中可以根据具体需求优化交互方式
        result = QMessageBox.question(
            None, "确认", "请在浏览器打开相应页面后，查看页面内容，确认无误后点击确定开始...",
            QMessageBox.StandardButton.Ok | QMessageBox.StandardButton.Cancel)
        if result == QMessageBox.StandardButton.Ok:
            self.is_running = True
            self.signals.start_signal.emit()  # 发送开始信号
            while self.is_running:
                if not self.is_paused:
                    current_time = time.strftime('%Y-%m-%d %H:%M:%S',
                                                time.localtime())
                    self.update_text(current_time)
                    time.sleep(1)
                else:
                    time.sleep(0.5)  # 暂停时适当休眠，避免过度占用资源
            driver.quit()

    def update_text(self, text):
        """
        这里是一个抽象的方法，用于更新界面上文本的操作，实际中需要通过信号槽机制连接到界面更新逻辑
        """
        print(text)  # 暂时打印，后续要改成真正更新界面文本的操作

    def pause(self):
        """
        暂停线程的方法
        """
        self.is_paused = True

    def resume(self):
        """
        恢复线程运行的方法
        """
        self.is_paused = False


class MainWindow(QWidget):
    def __init__(self):
        super().__init__()
        self.init_ui()
        self.signals = ThreadSignals()
        self.thread1 = WorkerThread('https://www.example.com', self.signals)  # 第一个线程，传入示例网址，可替换
        self.thread2 = WorkerThread('https://www.example.org', self.signals)  # 第二个线程，传入另一个示例网址，可替换
        self.connect_signals()

    def init_ui(self):
        layout = QVBoxLayout()
        self.start_button = QPushButton('启动')
        self.stop_button = QPushButton('停止')
        self.text_label = QLabel("")
        layout.addWidget(self.start_button)
        layout.addWidget(self.stop_button)
        layout.addWidget(self.text_label)
        self.setLayout(layout)

    def connect_signals(self):
        self.start_button.clicked.connect(self.start_threads)
        self.stop_button.clicked.connect(self.stop_threads)
        self.signals.start_signal.connect(self.append_time_to_text)

    def start_threads(self):
        if not self.thread1.is_running:
            self.thread1.start()
        if not self.thread2.is_running:
            self.thread2.start()

    def stop_threads(self):
        self.thread1.is_running = False
        self.thread2.is_running = False

    def append_time_to_text(self):
        while True:
            current_time = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime())
            self.text_label.setText(self.text_label.text() + "\n" + current_time)
            time.sleep(1)


if __name__ == '__main__':
    app = QApplication(sys.argv)
    window = MainWindow()
    window.show()
    sys.exit(app.exec())
